From 20e493a8d03b3b2f51b619a453f7bbbebedd6bda Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Mon, 23 Apr 2007 08:26:36 +0200 Subject: [PATCH] cfq-iosched: get rid of ->dispatch_slice We can track it fairly accurately locally, let the slice handling take care of the rest. Signed-off-by: Jens Axboe --- block/cfq-iosched.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index f089eeecdf..839086dcb0 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -106,7 +106,6 @@ struct cfq_data { struct cfq_queue *active_queue; struct cfq_io_context *active_cic; - unsigned int dispatch_slice; struct timer_list idle_class_timer; @@ -775,8 +774,6 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq, put_io_context(cfqd->active_cic->ioc); cfqd->active_cic = NULL; } - - cfqd->dispatch_slice = 0; } static inline void cfq_slice_expired(struct cfq_data *cfqd, int timed_out) @@ -1026,7 +1023,6 @@ __cfq_dispatch_requests(struct cfq_data *cfqd, struct cfq_queue *cfqq, */ cfq_dispatch_insert(cfqd->queue, rq); - cfqd->dispatch_slice++; dispatched++; if (!cfqd->active_cic) { @@ -1044,7 +1040,7 @@ __cfq_dispatch_requests(struct cfq_data *cfqd, struct cfq_queue *cfqq, * queue always expire after 1 dispatch round. */ if (cfqd->busy_queues > 1 && ((!cfq_cfqq_sync(cfqq) && - cfqd->dispatch_slice >= cfq_prio_to_maxrq(cfqd, cfqq)) || + dispatched >= cfq_prio_to_maxrq(cfqd, cfqq)) || cfq_class_idle(cfqq))) { cfqq->slice_end = jiffies + 1; cfq_slice_expired(cfqd, 0); -- 2.39.5